Envelope power conveyor stacker



FIG. 1 is a perspective view of an envelope power conveyor stacker showing our new design;

FIG. 2 is a plan view thereof;

FIG. 3 is an end elevational view thereof taken along the line 3--3 of FIG. 2;

FIG. 4 is an end elevational view thereof taken along the line 4--4 of FIG. 2.

FIG. 5 is a front view taken along line 5--5 of FIG. 3;

FIG. 6 is a rear view taken along line 6--6 of FIG. 3.

FIG. 7 is a bottom plan view taken along the line 7--7 of FIG. 3. 

The ornamental design for an envelope power conveyor stacker, as shown. 